Wm. Cook--Mary Earthman (Tishomingo,MS)

William Cook married Mary Earthman, daughter of Isaac Earthman, Jan. 21, 1806, Davidson Co., Tenn.The William Cook family was in Tishomingo Co., MS by the late 1830's.Some of the Cook children went to Arkansas.

Does anyone know any background on William Cook, parents, etc?Any info would be appreciated.